Parida, Prakash ; Lakshmi, S. ; Pati, Swapan K. (2009) Negative differential resistance in nanoscale transport in the Coulomb blockade regime Journal of Physics: Condensed Matter, 21 (9). 095301_1-095301_5. ISSN 0953-8984
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Official URL: http://iopscience.iop.org/0953-8984/21/9/095301
Related URL: http://dx.doi.org/10.1088/0953-8984/21/9/095301
Abstract
Motivated by recent experiments, we have studied the transport behavior of coupled quantum dot systems in the Coulomb blockade regime using the master (rate) equation approach. We explore how electron-electron interactions in a donor-acceptor system, resembling weakly coupled quantum dots with varying charging energy, can modify the system's response to an external bias, taking it from normal Coulomb blockade behavior to negative differential resistance (NDR) in the current-voltage characteristics.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Institute of Physics. |
| ID Code: | 60794 |
| Deposited On: | 12 Sep 2011 07:22 |
| Last Modified: | 12 Sep 2011 07:22 |
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